net-test: enable CONFIG_NETFILTER_XT_TARGET_IDLETIMER am: ca849776c6

Original change: https://android-review.googlesource.com/c/kernel/tests/+/1405586

Change-Id: I5600268cd88340e089deadb9b21f5cfe9d54f0b8
diff --git a/net/test/run_net_test.sh b/net/test/run_net_test.sh
index fbd98d1..1969a92 100755
--- a/net/test/run_net_test.sh
+++ b/net/test/run_net_test.sh
@@ -23,6 +23,7 @@
 OPTIONS="$OPTIONS IP6_NF_IPTABLES IP6_NF_MANGLE IP6_NF_FILTER INET6_IPCOMP"
 OPTIONS="$OPTIONS IPV6_OPTIMISTIC_DAD"
 OPTIONS="$OPTIONS IPV6_ROUTE_INFO IPV6_ROUTER_PREF"
+OPTIONS="$OPTIONS NETFILTER_XT_TARGET_IDLETIMER"
 OPTIONS="$OPTIONS NETFILTER_XT_TARGET_NFLOG"
 OPTIONS="$OPTIONS NETFILTER_XT_MATCH_POLICY"
 OPTIONS="$OPTIONS NETFILTER_XT_MATCH_QUOTA"